Carboxylic acid amides of general formula
having an antithrombotic activity and a factor Xa-inhibiting activity. Exemplary are:
(a) N-[1-(3-amidino-phenyl)-2-(1H-tetrazol-5-yl)-ethyl]-4-(2,5-dihydro-pyrrol-1-yl-carbonyl)-3-methyl-benzamide,
(b) N-[1-(3-amidino-phenyl)-2-(1H-tetrazol-5-yl)-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide,
(c) N-[1-(5-amidino-2-hydroxy-phenyl)-2-phenyl-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide, and
(d) N-[1-(5-amidino-2-hydroxy-phenyl)-2-(pyridin-3-yl)-ethyl]-3-methyl-4-(pyrrolidin-1-yl-carbonyl)-benzamide.
具有抗血栓和因子Xa抑制活性的
羧酸酰胺的一般式为:其中示例为:(a) N-[1-(3-
氨基苯基)-2-(
1H-四唑-5-基)-乙基]-4-(2,5-二氢
吡咯-1-基甲酰基)-3-甲基苯甲酰胺,(b) N-[1-(3-
氨基苯基)-2-(
1H-四唑-5-基)-乙基]-3-甲基-4-(
吡咯烷-1-基甲酰基)-苯甲酰胺,(c) N-[1-(5-
氨基-2-羟基苯基)-2-苯乙基]-3-甲基-4-(
吡咯烷-1-基甲酰基)-苯甲酰胺,以及(d) N-[1-(5-
氨基-2-羟基苯基)-2-(
吡啶-3-基)-乙基]-3-甲基-4-(
吡咯烷-1-基甲酰基)-苯甲酰胺。